Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate
2005-05-24
2005-05-24
Dang, Hung Xuan (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
C359S212100, C359S216100
Reexamination Certificate
active
06898020
ABSTRACT:
A single plate type optical unit and display device to utilize light with high efficiency in a simple method is configured so a dichroic mirror separates light into a plurality of colors, and the plurality of colors of light reflected by the dichroic mirror are beamed onto a rotating multisurface element, the plurality of colors of light emitted from the rotating multisurface element are each beamed onto different locations on the display element, and by rotating the rotating multisurface element, the plurality of colors of light are moved in one direction along the display element, and a color image is beamed from a projection lens.
REFERENCES:
patent: 5126836 (1992-06-01), Um
patent: 5845981 (1998-12-01), Bradley
patent: 6317170 (2001-11-01), Hwang
patent: 6330112 (2001-12-01), Kaise
patent: 6411440 (2002-06-01), Ohuchi et al.
patent: 6457832 (2002-10-01), Okuyama
patent: 6493149 (2002-12-01), Ouchi
patent: 6508554 (2003-01-01), Hatakeyama et al.
patent: 6511184 (2003-01-01), Yamagishi et al.
patent: 06-295159 (1994-10-01), None
patent: 1998-020617 (1998-06-01), None
Dang Hung Xuan
Martinez Joseph
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